US6325593B1 - Ceramic turbine airfoils with cooled trailing edge blocks - Google Patents
Ceramic turbine airfoils with cooled trailing edge blocks Download PDFInfo
- Publication number
- US6325593B1 US6325593B1 US09/507,407 US50740700A US6325593B1 US 6325593 B1 US6325593 B1 US 6325593B1 US 50740700 A US50740700 A US 50740700A US 6325593 B1 US6325593 B1 US 6325593B1
- Authority
- US
- United States
- Prior art keywords
- trailing edge
- airfoil
- block
- cooling air
- vane
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/186—Film cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
- F01D5/188—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall
- F01D5/189—Convection cooling with an insert in the blade cavity to guide the cooling fluid, e.g. forming a separation wall the insert having a tubular cross-section, e.g. airfoil shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/284—Selection of ceramic materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/30—Arrangement of components
- F05D2250/32—Arrangement of components according to their shape
- F05D2250/323—Arrangement of components according to their shape convergent
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/226—Carbides
- F05D2300/2261—Carbides of silicon
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/603—Composites; e.g. fibre-reinforced
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Ceramic Products (AREA)
Abstract
Description
Claims (38)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/507,407 US6325593B1 (en) | 2000-02-18 | 2000-02-18 | Ceramic turbine airfoils with cooled trailing edge blocks |
DE60028529T DE60028529T2 (en) | 2000-02-18 | 2000-12-15 | Ceramic turbine blades with cooled trailing edge |
JP2000381168A JP4883834B2 (en) | 2000-02-18 | 2000-12-15 | Ceramic turbine airfoil where trailing edge block is cooled |
EP00311265A EP1126135B1 (en) | 2000-02-18 | 2000-12-15 | Ceramic turbine airfoils with cooled trailing edge blocks |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/507,407 US6325593B1 (en) | 2000-02-18 | 2000-02-18 | Ceramic turbine airfoils with cooled trailing edge blocks |
Publications (1)
Publication Number | Publication Date |
---|---|
US6325593B1 true US6325593B1 (en) | 2001-12-04 |
Family
ID=24018525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US09/507,407 Expired - Lifetime US6325593B1 (en) | 2000-02-18 | 2000-02-18 | Ceramic turbine airfoils with cooled trailing edge blocks |
Country Status (4)
Country | Link |
---|---|
US (1) | US6325593B1 (en) |
EP (1) | EP1126135B1 (en) |
JP (1) | JP4883834B2 (en) |
DE (1) | DE60028529T2 (en) |
Cited By (102)
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US6543993B2 (en) * | 2000-12-28 | 2003-04-08 | General Electric Company | Apparatus and methods for localized cooling of gas turbine nozzle walls |
US6648597B1 (en) | 2002-05-31 | 2003-11-18 | Siemens Westinghouse Power Corporation | Ceramic matrix composite turbine vane |
US20040043889A1 (en) * | 2002-05-31 | 2004-03-04 | Siemens Westinghouse Power Corporation | Strain tolerant aggregate material |
US20040120808A1 (en) * | 2002-12-20 | 2004-06-24 | Alford Mary Ellen | Shroud segment and assembly with surface recessed seal bridging adjacent members |
US20040120806A1 (en) * | 2002-12-20 | 2004-06-24 | Darkins Toby George | Shroud segment and assembly with circumferential seal at a planar segment surface |
US20040214051A1 (en) * | 2003-04-25 | 2004-10-28 | Siemens Westinghouse Power Corporation | Hybrid structure using ceramic tiles and method of manufacture |
US6884030B2 (en) | 2002-12-20 | 2005-04-26 | General Electric Company | Methods and apparatus for securing multi-piece nozzle assemblies |
US20050167878A1 (en) * | 2004-01-29 | 2005-08-04 | Siemens Westinghouse Power Corporation | Method of manufacturing a hybrid structure |
US20050169746A1 (en) * | 2004-02-03 | 2005-08-04 | Jason Fuller | Film cooling for the trailing edge of a steam cooled nozzle |
US20050238491A1 (en) * | 2004-04-22 | 2005-10-27 | Siemens Westinghouse Power Corporation | Ceramic matrix composite airfoil trailing edge arrangement |
US20050254942A1 (en) * | 2002-09-17 | 2005-11-17 | Siemens Westinghouse Power Corporation | Method of joining ceramic parts and articles so formed |
US20060039787A1 (en) * | 2004-08-21 | 2006-02-23 | Rolls-Royce Plc | Component having a cooling arrangement |
US20060127220A1 (en) * | 2004-12-13 | 2006-06-15 | General Electric Company | Fillet energized turbine stage |
US7093359B2 (en) | 2002-09-17 | 2006-08-22 | Siemens Westinghouse Power Corporation | Composite structure formed by CMC-on-insulation process |
US20060228211A1 (en) * | 2005-04-07 | 2006-10-12 | Siemens Westinghouse Power Corporation | Multi-piece turbine vane assembly |
US20060226290A1 (en) * | 2005-04-07 | 2006-10-12 | Siemens Westinghouse Power Corporation | Vane assembly with metal trailing edge segment |
US20060285973A1 (en) * | 2005-06-17 | 2006-12-21 | Siemens Westinghouse Power Corporation | Trailing edge attachment for composite airfoil |
US20070031258A1 (en) * | 2005-08-04 | 2007-02-08 | Siemens Westinghouse Power Corporation | Pin-loaded mounting apparatus for a refractory component in a combustion turbine engine |
US20070072007A1 (en) * | 2004-01-15 | 2007-03-29 | General Electric Company | Hybrid ceramic matrix composite turbine blades for improved processibility and performance |
US20070160466A1 (en) * | 2006-01-12 | 2007-07-12 | Siemens Power Generation, Inc. | CMC turbine shroud ring segment and fabrication method |
US20080025846A1 (en) * | 2006-07-27 | 2008-01-31 | Siemens Power Generation, Inc. | Hollow CMC airfoil with internal stitch |
US20080181766A1 (en) * | 2005-01-18 | 2008-07-31 | Siemens Westinghouse Power Corporation | Ceramic matrix composite vane with chordwise stiffener |
US20080178465A1 (en) * | 2007-01-25 | 2008-07-31 | Siemens Power Generation, Inc. | CMC to metal attachment mechanism |
US20090014926A1 (en) * | 2007-07-09 | 2009-01-15 | Siemens Power Generation, Inc. | Method of constructing a hollow fiber reinforced structure |
US20090028697A1 (en) * | 2007-07-27 | 2009-01-29 | United Technologies Corporation | Low transient thermal stress turbine engine components |
US20090123292A1 (en) * | 2007-11-14 | 2009-05-14 | Siemens Power Generation, Inc. | Turbine Blade Tip Cooling System |
US20100032875A1 (en) * | 2005-03-17 | 2010-02-11 | Siemens Westinghouse Power Corporation | Processing method for solid core ceramic matrix composite airfoil |
US20100074762A1 (en) * | 2008-09-25 | 2010-03-25 | Siemens Energy, Inc. | Trailing Edge Cooling for Turbine Blade Airfoil |
US20100202873A1 (en) * | 2009-02-06 | 2010-08-12 | General Electric Company | Ceramic Matrix Composite Turbine Engine |
US20100329835A1 (en) * | 2009-06-26 | 2010-12-30 | United Technologies Corporation | Airfoil with hybrid drilled and cutback trailing edge |
US20110041313A1 (en) * | 2009-08-24 | 2011-02-24 | James Allister W | Joining Mechanism with Stem Tension and Interlocked Compression Ring |
US20110164969A1 (en) * | 2007-10-11 | 2011-07-07 | Volvo Aero Corporation | Method for producing a vane, such a vane and a stator component comprising the vane |
US20110171023A1 (en) * | 2009-10-20 | 2011-07-14 | Ching-Pang Lee | Airfoil incorporating tapered cooling structures defining cooling passageways |
US20120301313A1 (en) * | 2011-05-26 | 2012-11-29 | Suciu Gabriel L | Ceramic matrix composite continuous "i"-shaped fiber geometry airfoil for a gas turbine engine |
US20130034434A1 (en) * | 2011-08-03 | 2013-02-07 | Propheter-Hinckley Tracy A | Vane assembly for a gas turbine engine |
US8382436B2 (en) | 2009-01-06 | 2013-02-26 | General Electric Company | Non-integral turbine blade platforms and systems |
US20130071255A1 (en) * | 2011-09-20 | 2013-03-21 | Hitachi, Ltd. | Gas Turbine Blade |
CN103195489A (en) * | 2012-01-05 | 2013-07-10 | 通用电气公司 | System and method for cooling turbine blades |
US8632297B2 (en) | 2010-09-29 | 2014-01-21 | General Electric Company | Turbine airfoil and method for cooling a turbine airfoil |
WO2014052220A1 (en) * | 2012-09-28 | 2014-04-03 | United Technologies Corporation | Turbine vane with mistake reduction feature |
US8739547B2 (en) | 2011-06-23 | 2014-06-03 | United Technologies Corporation | Gas turbine engine joint having a metallic member, a CMC member, and a ceramic key |
US8790067B2 (en) | 2011-04-27 | 2014-07-29 | United Technologies Corporation | Blade clearance control using high-CTE and low-CTE ring members |
US20140212270A1 (en) * | 2012-12-27 | 2014-07-31 | United Technologies Corporation | Gas turbine engine component having suction side cutback opening |
US20140208771A1 (en) * | 2012-12-28 | 2014-07-31 | United Technologies Corporation | Gas turbine engine component cooling arrangement |
US8840363B2 (en) | 2011-09-09 | 2014-09-23 | Siemens Energy, Inc. | Trailing edge cooling system in a turbine airfoil assembly |
US8864492B2 (en) | 2011-06-23 | 2014-10-21 | United Technologies Corporation | Reverse flow combustor duct attachment |
US8882448B2 (en) | 2011-09-09 | 2014-11-11 | Siemens Aktiengesellshaft | Cooling system in a turbine airfoil assembly including zigzag cooling passages interconnected with radial passageways |
US8894363B2 (en) | 2011-02-09 | 2014-11-25 | Siemens Energy, Inc. | Cooling module design and method for cooling components of a gas turbine system |
US8920127B2 (en) | 2011-07-18 | 2014-12-30 | United Technologies Corporation | Turbine rotor non-metallic blade attachment |
US8967974B2 (en) | 2012-01-03 | 2015-03-03 | General Electric Company | Composite airfoil assembly |
US8985949B2 (en) | 2013-04-29 | 2015-03-24 | Siemens Aktiengesellschaft | Cooling system including wavy cooling chamber in a trailing edge portion of an airfoil assembly |
US20150184518A1 (en) * | 2013-12-26 | 2015-07-02 | Ching-Pang Lee | Turbine airfoil cooling system with nonlinear trailing edge exit slots |
US9127560B2 (en) | 2011-12-01 | 2015-09-08 | General Electric Company | Cooled turbine blade and method for cooling a turbine blade |
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US11242760B2 (en) * | 2020-01-22 | 2022-02-08 | General Electric Company | Turbine rotor blade with integral impingement sleeve by additive manufacture |
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US11560799B1 (en) | 2021-10-22 | 2023-01-24 | Rolls-Royce High Temperature Composites Inc. | Ceramic matrix composite vane assembly with shaped load transfer features |
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Also Published As
Publication number | Publication date |
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JP4883834B2 (en) | 2012-02-22 |
JP2001227302A (en) | 2001-08-24 |
EP1126135B1 (en) | 2006-06-07 |
EP1126135A2 (en) | 2001-08-22 |
EP1126135A3 (en) | 2003-01-08 |
DE60028529T2 (en) | 2006-12-28 |
DE60028529D1 (en) | 2006-07-20 |
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